/*
 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package vm.share.vmcrasher;

import vm.share.UnsafeAccess;

public class UnsafeGCCrasher extends Crasher {

    private static class C {
        C next;
    }

    private static C a = null;

    @SuppressWarnings("restriction")
    @Override
    public void run() {
        try {
            a = new C();
            a.next = new C();
            a.next.next = new C();
            a.next.next.next = new C();
            UnsafeAccess.unsafe.putInt(a.next, UnsafeAccess.unsafe.objectFieldOffset(C.class.getDeclaredField("next")), 0xDEADCAFE);
            System.gc();
            Thread.sleep(1000);
        } catch ( Throwable t ) {
            t.printStackTrace();
        }
    }

}
